Simulation Technique Governing Equations for CFD Simulations Explicit Time-Integration Finite-Difference Scheme Uniform, Cylindrical Lattice (no AMR) [ Typically (128,256,90) in (R,q,Z) ] Rotating Frame van Leer Advection [ a la ZEUS-2D ] Heterogeneous Computing Environment	CACR: HP Exemplar
	Initial Equilibrium Configuration HSCF technique Uniformly rotating, n = 1 Polytrope (Erot/|Egrav| = 0.10) Perturb model with linearized r-mode velocity field
	Simulation Results M = 1.4 solar masses R0 = 12.5 km (Req = 18.4 km) P = 1.18 ms Radiation Reaction Force artificially enhanced by factor of 4500 ("c" reduced by factor of 3.32) Development of eigenfunction during linear-amplitude regime. Evolution at nonlinear amplitude